CN104632252A - Automatic grouting system - Google Patents
Automatic grouting system Download PDFInfo
- Publication number
- CN104632252A CN104632252A CN201510012818.XA CN201510012818A CN104632252A CN 104632252 A CN104632252 A CN 104632252A CN 201510012818 A CN201510012818 A CN 201510012818A CN 104632252 A CN104632252 A CN 104632252A
- Authority
- CN
- China
- Prior art keywords
- communicated
- stirring pool
- water glass
- cement paste
- control valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000004568 cement Substances 0.000 claims abstract description 52
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims abstract description 49
- 238000003756 stirring Methods 0.000 claims abstract description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 35
- 235000019353 potassium silicate Nutrition 0.000 claims description 46
- 238000007569 slipcasting Methods 0.000 claims description 13
- 230000002262 irrigation Effects 0.000 claims description 4
- 238000003973 irrigation Methods 0.000 claims description 4
- 238000005303 weighing Methods 0.000 claims description 3
- 239000002002 slurry Substances 0.000 abstract description 14
- 238000012544 monitoring process Methods 0.000 abstract description 7
- 239000004115 Sodium Silicate Substances 0.000 abstract description 4
- 238000002347 injection Methods 0.000 abstract description 4
- 239000007924 injection Substances 0.000 abstract description 4
- 229910052911 sodium silicate Inorganic materials 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000011440 grout Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000000284 extract Substances 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/02—Controlling the operation of the mixing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/04—Supplying or proportioning the ingredients
- B28C7/0422—Weighing predetermined amounts of ingredients, e.g. for consecutive delivery
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/04—Supplying or proportioning the ingredients
- B28C7/06—Supplying the solid ingredients, e.g. by means of endless conveyors or jigging conveyors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/04—Supplying or proportioning the ingredients
- B28C7/12—Supplying or proportioning liquid ingredients
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The invention relates to an automatic grouting system comprising a cement tank, a funnel, a first electric control valve, a cement slurry stirring pool, a cement slurry storing pool, a second electric control valve, a cement slurry pump, an automatic grouting recorder, a first water injection pipeline, a first flow meter, a controller, a sodium silicate tank, a sodium silicate tank stirring pool, a conveying pipeline, a second flow meter, a sodium silicate storing pool, a second water injection pipeline and a third flow meter. By the adoption of the automatic grouting system, the slurry manufacturing process is controlled and monitored through an electronic scale, the electronic control valve, the flow meter, the automatic grouting recorder and the controller, the requirements existing during manual slurry manufacturing and monitoring are reduced, the work efficiency is improved, and labor cost is reduced.
Description
Technical field
The present invention relates to solution cavity slurry injection technique.
Background technology
Start at metro shield, receive, driving and tunnel, because complex geologic conditions or construction experience deficiency cause water burst in the work progresss such as coal mine excavation, gush the situations such as sand often to occur, in order to ensure the steadiness on ground, fill due to water burst, gush the space, underground (as solution cavity) that sand causes, avoid water burst, the risk of gushing sand occurs again, therefore need to take corresponding treatment measures, in order to can be good at the effect reaching rapid leak stopping, fill formation void, adopt and inject list, the method that two slurries (cement-sodium silicate) are alternately reinforced carries out shutoff.
And at present in the making of slurries, rely on artificial slurrying completely, first personnel demand amount is large, and secondly metering aspect is not easy to ensure accurately, and again, repulping rate is comparatively slow, and be difficult to meet slip casting demand, finally, Manual material feeding easily causes and drops, contaminated environment.
Slip casting aspect, only adopt slush pump slip casting separately separately, every platform machine must have monitor staff in monitoring always, personnel aspect is relatively many, only have again manometric force value to monitor slip casting situation, monitoring is not comprehensive, not in place, and operation relies on artificial completely, there is certain time delay in operation.
Summary of the invention
The object of the invention is to propose a kind of automatic grouting system, it can solve the high problem of human cost.
In order to achieve the above object, the technical solution adopted in the present invention is as follows:
Automatic grouting system, it comprises:
Cementing tank;
The funnel be communicated with cementing tank, is provided with the electronic scale of the weight for weighing cement in it;
First electric control valve, it is arranged on the exit of described funnel;
The cement paste stirring pool be communicated with the exit of described funnel;
Pond deposited by the cement paste be positioned at below cement paste stirring pool, and it is communicated with cement paste stirring pool by the second electric control valve;
Slush pump, its input channel and cement paste are deposited pond and are communicated with, and its output channel is communicated with slip casting point;
The grouting automatic recording instrument be connected with slush pump;
First filling pipe, its input port is communicated with water source, and its delivery outlet is communicated with cement paste stirring pool;
First-class gauge, it is for controlling the flow of the first filling pipe;
And controller;
Wherein, cement paste stirring pool and cement paste are deposited pond and are all provided with the first mixer;
Described controller, for the signal exported according to electronic scale, controls the open/close states of the first electric control valve; For the signal exported according to grouting automatic recording instrument, control the duty of slush pump; And for controlling the duty of first-class gauge, the second electric control valve and the first mixer.
Preferably, this automatic grouting system also comprises:
Water glass tank;
Water glass stirring pool;
Conveyance conduit, its input port is communicated with water glass tank, and its delivery outlet is communicated with water glass stirring pool;
Second gauge, it is for controlling the flow of conveyance conduit;
Pond deposited by the water glass be positioned at below water glass stirring pool, and it is communicated with water glass stirring pool by the 3rd electric control valve;
Second filling pipe, its input port is communicated with water source, and its delivery outlet is communicated with water glass stirring pool;
And the 3rd flow meter, it is for controlling the flow of the second filling pipe;
Wherein, water glass stirring pool and water glass are deposited Chi Junye and are provided with the second mixer;
Described controller, also for controlling the duty of second gauge, the 3rd flow meter, the 3rd electric control valve and the second mixer;
Described slush pump, its input channel selects one deposit pond with cement paste and deposit pond with water glass and be communicated with.
Further preferred, described water source comprises water pot and for providing the pressure apparatus of pressure for described water pot; First filling pipe is communicated with water pot with the second filling pipe.
Preferably, cementing tank is communicated with funnel by screw machine.
Preferably, the input channel of slush pump is connected with screen pack.
Preferably, described water source comprises water pot and for providing the pressure apparatus of pressure for described water pot; Water pot is communicated with the first filling pipe.
Preferably, the model of described grouting automatic recording instrument is BJ-A cement computer sprinkling irrigation automatic recorder.
Preferably, described controller is PLC.
The present invention has following beneficial effect:
Utilize electronic scale, electric control valve, flow meter, grouting automatic recording instrument and controller control slurries manufacturing process and monitor, thus reduce artificial slurrying and monitoring requirement, increase work efficiency, reduce human cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of the automatic grouting system of present pre-ferred embodiments.
Detailed description of the invention
Below, by reference to the accompanying drawings and detailed description of the invention, the present invention is described further.
As shown in Figure 1, a kind of automatic grouting system, it comprises: pond deposited by cementing tank, funnel, the first electric control valve, cement paste stirring pool, cement paste, the second electric control valve, slush pump, grouting automatic recording instrument, the first filling pipe, first-class gauge, controller, water glass tank, water glass stirring pool, conveyance conduit, second gauge, water glass deposit pond, the second filling pipe and the 3rd flow meter.
Cementing tank is communicated with funnel by screw machine, is provided with the electronic scale of the weight for weighing cement in described funnel.Described first electric control valve is arranged on the exit of described funnel.The exit of described funnel is communicated with cement paste stirring pool.The below that pond is positioned at cement paste stirring pool deposited by cement paste, and cement paste is deposited pond and is communicated with cement paste stirring pool by the second electric control valve.The input port of the first filling pipe is communicated with water source, and the delivery outlet of the first filling pipe is communicated with cement paste stirring pool.First-class gauge is for controlling the flow of the first filling pipe.
The input port of conveyance conduit is communicated with water glass tank, and the delivery outlet of conveyance conduit is communicated with water glass stirring pool.Second gauge is for controlling the flow of conveyance conduit.The below that pond is positioned at water glass stirring pool deposited by water glass, and water glass is deposited pond and is communicated with water glass stirring pool by the 3rd electric control valve.The input port of the second filling pipe is communicated with water source, and the delivery outlet of the second filling pipe is communicated with water glass stirring pool.3rd flow meter is for controlling the flow of the second filling pipe.
Wherein, cement paste stirring pool and cement paste are deposited pond and are all provided with the first mixer.Water glass stirring pool and water glass are deposited Chi Junye and are provided with the second mixer.
The input channel of slush pump selects one deposit pond with cement paste and deposit pond with water glass and be communicated with, and the output channel of slush pump is communicated with slip casting point.The input channel of stock pump is connected with screen pack.
Grouting automatic recording instrument is connected with slush pump, grouting automatic recording instrument, for obtaining and record the duty of slush pump.The model of the grouting automatic recording instrument of the present embodiment is BJ-A cement computer sprinkling irrigation automatic recorder.Wherein, the force value in the reflection slush pump output channel exit that pressure meter can be real-time on slush pump, BJ-A cement computer sprinkling irrigation automatic recorder comprises recorder and flow transmitter, can Real-Time Monitoring flow rate of grouting and grouting amount.
Described controller, for the signal exported according to electronic scale, controls the open/close states of the first electric control valve; For the signal exported according to grouting automatic recording instrument, control the duty of slush pump; And for controlling the duty of first-class gauge, the second electric control valve, the first mixer, second gauge, the 3rd flow meter, the 3rd electric control valve and the second mixer.The controller of the present embodiment is PLC.
Described water source comprises water pot and for providing the pressure apparatus of pressure for described water pot; First filling pipe is communicated with water pot with the second filling pipe.Pressure apparatus comprises compression pump and the control system for controlled pressure pump.
The slush pump of the present embodiment is multiple, a corresponding slip casting point of slush pump.
The first-class gauge of the present embodiment, second gauge and the 3rd flow meter all adopt constant voltage time flow meter.
The course of work of the present embodiment is as follows:
When needing single slurries slip casting, the amount of water and cement is set by controller, the grouting amount of slush pump, then after electronic scale weighs the cement of predetermined amount, first electric control valve is opened, cement enters cement paste stirring pool, first-class gauge is opened, the water that conveying is preset enters cement paste stirring pool, first mixer work of cement paste stirring pool, to obtain cement grout, second electric control valve is opened, cement grout is delivered to cement paste and deposits pond, putting the input channel of slush pump into cement paste deposits in pond, by cement paste, the cement grout deposited in pond extracts and injects slip casting point slush pump, the flow rate of grouting of slush pump and grouting amount by grouting automatic recording instrument monitoring and inverse signal to controller, to make controller, grouting amount is controlled.
When needing two slurries slip casting, except above-mentioned injection list slurries, the amount of water and water glass is also set by controller, the grouting amount of slush pump, second gauge is opened, the water glass that input is preset enters water glass stirring pool, 3rd flow meter is opened, the water that input is preset enters water glass stirring pool, second mixer work of water glass stirring pool, to obtain water glass slurries, 3rd electric control valve is opened, water glass slurries are delivered to water glass and deposit pond, putting the input channel of slush pump into water glass deposits in pond, by water glass, the water glass deposited in pond extracts and injects slip casting point slush pump, the flow rate of grouting of slush pump and grouting amount by grouting automatic recording instrument monitoring and inverse signal to controller, to make controller, grouting amount is controlled.
Whole slurrying, slip casting process are controlled by controller, very convenient.
For a person skilled in the art, according to technical scheme described above and design, other various corresponding change and distortion can be made, and all these change and distortion all should belong within the protection domain of the claims in the present invention.
Claims (8)
1. automatic grouting system, is characterized in that, comprising:
Cementing tank;
The funnel be communicated with cementing tank, is provided with the electronic scale of the weight for weighing cement in it;
First electric control valve, it is arranged on the exit of described funnel;
The cement paste stirring pool be communicated with the exit of described funnel;
Pond deposited by the cement paste be positioned at below cement paste stirring pool, and it is communicated with cement paste stirring pool by the second electric control valve;
Slush pump, its input channel and cement paste are deposited pond and are communicated with, and its output channel is communicated with slip casting point;
The grouting automatic recording instrument be connected with slush pump;
First filling pipe, its input port is communicated with water source, and its delivery outlet is communicated with cement paste stirring pool;
First-class gauge, it is for controlling the flow of the first filling pipe;
And controller;
Wherein, cement paste stirring pool and cement paste are deposited pond and are all provided with the first mixer;
Described controller, for the signal exported according to electronic scale, controls the open/close states of the first electric control valve; For the signal exported according to grouting automatic recording instrument, control the duty of slush pump; And for controlling the duty of first-class gauge, the second electric control valve and the first mixer.
2. automatic grouting system as claimed in claim 1, is characterized in that, also comprise:
Water glass tank;
Water glass stirring pool;
Conveyance conduit, its input port is communicated with water glass tank, and its delivery outlet is communicated with water glass stirring pool;
Second gauge, it is for controlling the flow of conveyance conduit;
Pond deposited by the water glass be positioned at below water glass stirring pool, and it is communicated with water glass stirring pool by the 3rd electric control valve;
Second filling pipe, its input port is communicated with water source, and its delivery outlet is communicated with water glass stirring pool;
And the 3rd flow meter, it is for controlling the flow of the second filling pipe;
Wherein, water glass stirring pool and water glass are deposited Chi Junye and are provided with the second mixer;
Described controller, also for controlling the duty of second gauge, the 3rd flow meter, the 3rd electric control valve and the second mixer;
Described slush pump, its input channel selects one deposit pond with cement paste and deposit pond with water glass and be communicated with.
3. automatic grouting system as claimed in claim 2, is characterized in that, described water source comprises water pot and for providing the pressure apparatus of pressure for described water pot; First filling pipe is communicated with water pot with the second filling pipe.
4. automatic grouting system as claimed in claim 1, it is characterized in that, cementing tank is communicated with funnel by screw machine.
5. automatic grouting system as claimed in claim 1, it is characterized in that, the input channel of slush pump is connected with screen pack.
6. automatic grouting system as claimed in claim 1, is characterized in that, described water source comprises water pot and for providing the pressure apparatus of pressure for described water pot; Water pot is communicated with the first filling pipe.
7. automatic grouting system as claimed in claim 1, is characterized in that, the model of described grouting automatic recording instrument is BJ-A cement computer sprinkling irrigation automatic recorder.
8. automatic grouting system as claimed in claim 1, it is characterized in that, described controller is PLC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510012818.XA CN104632252B (en) | 2015-01-09 | 2015-01-09 | Automatic grouting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510012818.XA CN104632252B (en) | 2015-01-09 | 2015-01-09 | Automatic grouting system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104632252A true CN104632252A (en) | 2015-05-20 |
| CN104632252B CN104632252B (en) | 2017-05-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510012818.XA Active CN104632252B (en) | 2015-01-09 | 2015-01-09 | Automatic grouting system |
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| CN (1) | CN104632252B (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104964722A (en) * | 2015-07-10 | 2015-10-07 | 成都金陵能源装备有限公司 | Positive displacement pump flowmeter |
| CN105221167A (en) * | 2015-10-26 | 2016-01-06 | 镇江市高等专科学校 | Shield machine secondary grouting system and pulping process |
| CN105257303A (en) * | 2015-10-28 | 2016-01-20 | 广州广隧机电设备有限公司 | Construction method capable of achieving synchronous double-grout grouting during shield tunneling |
| CN106321117A (en) * | 2016-10-13 | 2017-01-11 | 北京航空航天大学 | Multipoint intelligent cement paste grouting system |
| CN107175771A (en) * | 2017-06-08 | 2017-09-19 | 北京市市政四建设工程有限责任公司 | It is a kind of that station control system is stirred based on the PLC shield machine synchronous groutings controlled |
| CN107191188A (en) * | 2017-07-25 | 2017-09-22 | 马钢(集团)控股有限公司 | The bad water-bearing layer positioning targeting slip casting Mine Shaft Lining of rock section, constructing device and method |
| CN108150196A (en) * | 2018-01-24 | 2018-06-12 | 兖州煤业股份有限公司 | A kind of quick gunnite method of cement mortar and refractory gunning equipment |
| WO2019085424A1 (en) * | 2017-10-30 | 2019-05-09 | 中国矿业大学 | Smart grouting system and grouting method for geologically complex regions |
| CN110230258A (en) * | 2018-03-05 | 2019-09-13 | 河北高达电子科技有限公司 | A kind of squeezing trolley slurry-outlet quantity metering method and squeezing trolley |
| CN111827291A (en) * | 2019-04-17 | 2020-10-27 | 中铁第五勘察设计院集团有限公司 | Post-grouting integrated system and post-grouting method |
| CN112051794A (en) * | 2020-09-30 | 2020-12-08 | 中交第一航务工程局有限公司 | Intelligent double-wheel milling pulping and grouting monitoring system and method |
| CN112282791A (en) * | 2020-09-16 | 2021-01-29 | 贵州大学 | Quick grouting system for soil body tunnel |
| CN113863958A (en) * | 2021-10-26 | 2021-12-31 | 中铁工程装备集团有限公司 | Double-liquid grouting system of shield tunneling machine |
| CN113933210A (en) * | 2021-11-05 | 2022-01-14 | 保定同恒建筑工程有限公司 | Construction method for grouting amount of cement paste |
| CN114233377A (en) * | 2021-12-17 | 2022-03-25 | 中国十七冶集团有限公司 | Device for controlling grouting amount of goaf in process and construction method |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104964722A (en) * | 2015-07-10 | 2015-10-07 | 成都金陵能源装备有限公司 | Positive displacement pump flowmeter |
| CN105221167A (en) * | 2015-10-26 | 2016-01-06 | 镇江市高等专科学校 | Shield machine secondary grouting system and pulping process |
| CN105257303A (en) * | 2015-10-28 | 2016-01-20 | 广州广隧机电设备有限公司 | Construction method capable of achieving synchronous double-grout grouting during shield tunneling |
| CN106321117A (en) * | 2016-10-13 | 2017-01-11 | 北京航空航天大学 | Multipoint intelligent cement paste grouting system |
| CN107175771A (en) * | 2017-06-08 | 2017-09-19 | 北京市市政四建设工程有限责任公司 | It is a kind of that station control system is stirred based on the PLC shield machine synchronous groutings controlled |
| CN107191188B (en) * | 2017-07-25 | 2023-06-06 | 马钢(集团)控股有限公司 | Bedrock section bad aquifer positioning and targeting grouting vertical shaft wall structure, construction device and construction method |
| CN107191188A (en) * | 2017-07-25 | 2017-09-22 | 马钢(集团)控股有限公司 | The bad water-bearing layer positioning targeting slip casting Mine Shaft Lining of rock section, constructing device and method |
| WO2019085424A1 (en) * | 2017-10-30 | 2019-05-09 | 中国矿业大学 | Smart grouting system and grouting method for geologically complex regions |
| CN108150196A (en) * | 2018-01-24 | 2018-06-12 | 兖州煤业股份有限公司 | A kind of quick gunnite method of cement mortar and refractory gunning equipment |
| CN110230258A (en) * | 2018-03-05 | 2019-09-13 | 河北高达电子科技有限公司 | A kind of squeezing trolley slurry-outlet quantity metering method and squeezing trolley |
| CN111827291A (en) * | 2019-04-17 | 2020-10-27 | 中铁第五勘察设计院集团有限公司 | Post-grouting integrated system and post-grouting method |
| CN112282791A (en) * | 2020-09-16 | 2021-01-29 | 贵州大学 | Quick grouting system for soil body tunnel |
| CN112051794A (en) * | 2020-09-30 | 2020-12-08 | 中交第一航务工程局有限公司 | Intelligent double-wheel milling pulping and grouting monitoring system and method |
| CN113863958A (en) * | 2021-10-26 | 2021-12-31 | 中铁工程装备集团有限公司 | Double-liquid grouting system of shield tunneling machine |
| CN113933210A (en) * | 2021-11-05 | 2022-01-14 | 保定同恒建筑工程有限公司 | Construction method for grouting amount of cement paste |
| CN113933210B (en) * | 2021-11-05 | 2024-03-26 | 保定同恒建筑工程股份有限公司 | Construction method for grouting amount of cement paste |
| CN114233377A (en) * | 2021-12-17 | 2022-03-25 | 中国十七冶集团有限公司 | Device for controlling grouting amount of goaf in process and construction method |
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| CN104632252B (en) | 2017-05-10 |
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